Average Co-Inventor Count = 3.43
ph-index = 2
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Nippon Hoso' Kyokai (2 from 374 patents)
2 patents:
1. 4743965 - Stereoscopic television picture transmission system
2. 4704627 - Stereoscopic television picture transmission system